What was found
MAIN CABIN FLOOR CORROSION ON SEAT TRACK FLANGE AROUND FASTENER HOLES STA 560-640 LBL 23 REMOVED CORROSION AT BS 560, REMOVED .030 AREA 1 INCH BY 1 INCH, BS 610 REMOVED .047 AREA 1 INCH BY 1 INCH AND BS 620 REMOVED .045 AREA 1 INCH BY 1 INCH ORIGINAL MATERIAL THICKNESS .100" FOUND OUT OF LIMITS IN ALL 3 AREAS OF MAIN SEAT TRACK FLANGE LBL 23 IAW SRM 53-10-1 DETAIL V. REPLACED SEAT TRACK BS 530-690 LBL 25 IAW SRM 51-30-02 AND DRAWING 65C26010. THIS IS CLASSIFIED AS A MAJOR REPAIR.